January 2015
Intermediate to advanced
298 pages
6h 27m
English
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Adding new intrinsic to HotSpot
Intrinsic is a function whose implementation is handled specially by a compiler. Typically, it means that the function call is replaced by automatically generated instructions. This is very similar to the inline functions, but the compiler knows more about intrinsics as they are part of the compiler itself, so it can use them more wisely.
Intrinsics are usually more performance-oriented than native functions because there is no JNI overhead.
Getting ready
To get started, all we need is an installed NetBeans IDE for code editing and OpenJDK sources. The user should be able to read C++ code and a little knowledge of assembly would be beneficial.
It would be worth checking that SSE4.2 (an extended instruction set with ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.